Bimberi Nature Reserve is located on the western fall of the Brindabella Range between Kosciusko National Park in New South Wales and Namadgi National Park in the Australian Capital Territory. It is a strip of rugged and forested land on the eastern side of the headwaters of the Goodradigbee River. The crest of the Brindabella Range is the border between New South Wales and the Australian Capital Territory.